There is an updated pull request by bagginslin against master on the void-packages repository

https://github.com/bagginslin/void-packages dnsmasq_nettle
https://github.com/void-linux/void-packages/pull/14282

dnsmasq can be built with dnssec support in new nettle versions
Added a patch which allows dnsmasq to be successfully compiled with new nettle versions, with different function names. 

A patch file from https://github.com/void-linux/void-packages/pull/14282.patch is attached